Bridget Dowling
Bridget Elizabeth Hitler, née Dowling (alternative Brigid) (3 July 1891 – 18 November 1969) was Adolf Hitler's sister-in-law via her marriage to Alois Hitler, Jr. She was the mother of Alois Hitler's son William Patrick Hitler. She was born and raised in Dublin, Ireland.
Read more about Bridget Dowling: Engagement, Early Married Life, Split, Emigration and Claims, Post-war, Sources